<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>请登录</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            padding-top: 50px;
        }
        .login-link {
            display: inline-block;
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .login-link:hover {
            background-color: #0056b3;
        }
    </style>
</head>
<body>
    <h1>您还没有登录。</h1>
    <p>请通过以下链接登录您的账户：</p>
    <a href="/" class="login-link">去登录...</a>
</body>
</html>